/*
 * Copyright (c) 2022, yifengling0. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. No personal names or organizations' names associated with the
 *    Atomthreads project may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef _RAMH_
#define _RAMH_

#include "iosdrv.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct RamInfo{
    size_t total_bytes;
    size_t free_bytes;
}RamInfo;

typedef struct Ram Ram;

typedef struct Ram {
    IOSDrv super;
    struct {
        void* (*alloc)(Ram *dev , size_t size);
        void (*free)(Ram *dev , void *mem);
        void* (*realloc)(Ram *dev , void *mem, size_t size);
        void (*useage)(Ram *dev, RamInfo *info);
    }Protected;
}Ram;

void    RamCreate(Ram *dev, const char *name);
void*   RamAlloc(Ram* dev, size_t size);
void*   RamRealloc(Ram* dev, void *mem, size_t size);
void    RamFree(Ram* dev, void *mem);
void    RamUseage(Ram* dev, RamInfo *info);

#ifdef __cplusplus
}
#endif

#endif  /* _RTCH_ */